Type Definition windows_sys::Win32::Media::Audio::LPWAVECALLBACK

pub type LPWAVECALLBACK = Option<unsafe extern "system" fn(hdrvr: HDRVR, umsg: u32, dwuser: usize, dw1: usize, dw2: usize)>;

Required features: ‘Win32_Media_Audio’, ‘Win32_Media_Multimedia’